Hot Annuals for a Cool Spring

 A bit about the author:  Julie Harris has been a Master Gardener for several years and has led various flower trial gardens at the Master Gardener Education, Research and Display Gardens, at the Rosemount Research and Outreach Center (RROC).  She has held leadership positions in the Master Gardener program and has participated in a number of other outreach activities.

It is finally warm enough to allow your tender annuals to venture outside.  Time to visualize your garden color schemes and choose the ‘thrillers, spillers and fillers’ that will become your fabulous container displays.  Looking for inspiration?  For great information about annuals that will prosper in Minnesota, take a look at http://www1.extension.umn.edu/garden/yard-garden/flowers/#annuals.  If you still like the feel of paper in your fingers, check out Annuals for Minnesota and Wisconsin by Don Engebretson and Don Williamson

The All-America Selections (AAS) website www.all-americaselections.org is another  online resource for great new annuals.  This organization tests new annuals at trial grounds all over the U.S. and Canada.  Each year, judges score the new varieties on qualities such as novel colors, length of flowering, disease or pest resistance and overall performance.  Only those varieties that achieve a superior score are declared AAS winners.  The All-America Selections organization has named its 2013 award winners.  Pictures can be found on the website above for the next four plants.

Canna “South Pacific Scarlet’ is grown from seed and is more vigorous and uniform than other canna varieties.  It grows 24inches tall and wide with showy orange 4 ½ inch blooms.

Can there ever be too many geraniums?  Not if they continue to develop winners like Geranium Pinto Premium ‘White to Rose.’  This plant grows 12 inches tall and wide.  The numerous blooms start out white then deepen to rose-pink.

Zinnias have been frequent AAS Winners lately.  The newest winners are Zinnia Profusion ‘Double Hot Cherry’ and Profusion ‘Double Deep Salmon.’  The flowers have double petals, on 3 inch blooms.  The plants stand 14 inches tall and 24 inches wide.

During the summer of 2012, the Master Gardeners of Dakota County chose several AAS award winners to display and trial in our education, research and display garden at the Rosemount Research and Outreach Center (RROC) in Rosemount.  Master Gardeners grew and observed these plants over the summer to see how AAS winners perform in our neighborhood.  Check out these standouts:

Cleome Sparkler ‘Blush’ is a 2002 AAS winner.  At 20-36 inches tall, this airy plant is shorter but sturdier than many Cleomes and sports abundant pink blooms.

Cleome Sparkler ‘Blush’

‘Purple Majesty’ Millet’ is a 2003 AAS Winner whose green leaves turn to purple in the sun.  It grows an impressive 3-5 feet tall and offers 8-12 inch flower stalks.  Hint – look for a new ornamental millet– ‘Jade Princess.’  We trialed this fabulous new millet developed by Ball Horticultural Company.  It is a little shorter than its purple cousin at 26 inches tall but it has bright, lime green foliage and thick, fuzzy stalks that are just fun.

Ornamental Millet Jade Princess 2

Tithonia ‘Fiesta Del Sol’ is a unique 2000 AAS Winner.  It stands 2-3 feet tall and is topped by 2-3 inch orange daisy-like blooms.  This tall plant is sturdy and its hairy foliage discourages hungry deer.

Tithonia ‘Fiesta Del Sol’

 

Vinca ‘Jams & Jellies Blackberry’ is a 2012 AAS Winner.  This bushy plant grew 12 inches tall in our garden and features flower petals that are a velvety deep purple with a white eye.

Vinca Jams & Jellies Blackberry

Enjoy filling your yards and gardens with beautiful, colorful annuals!

The mission of the Master Gardener program is to teach others in the community about horticulture.  In Dakota County, there are more than 130 active Master Gardeners who volunteer several thousand hours per year.

Visit the Master Gardeners of Dakota County website for additional gardening tips, information on upcoming events and classes.   http://www.dakotamastergardeners.org/

University of Minnesota Extension shall provide equal access to and opportunity in its programs, facilities, and employment without regard to race, color, creed, religion, national origin, gender, age, marital status, disability, public assistance status, veteran status, sexual orientation, gender identity, or gender expression.  In accordance with the Americans with Disabilities Act, this publication/material is available in alternative formats upon direct request to (651) 480-7700.

 

 

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Myths and Facts about Iris

A few words about the author:  Lee Kaibel is a Dakota County Master Gardener who has lead the iris committee.  

 

Tang Fizz

 

 

 Myth – I do not grow Iris because they have a short bloom time.

Fact – By using different types of Iris you can lengthen the amount of time that irises will be blooming in your garden. Miniature dwarf beards and crested iris bloom in early May followed by the rest of the bearded iris cultivars which bloom the full month of May. Next in bloom is the Siberian Iris which blooms in early June and is followed by Yellow flag iris, Blue flag iris and Japanese iris which all bloom in mid- June.  By using different types of iris you can have about six weeks of bloom time.

Decollatage

Myth – Are there really Iris borers?  I have not seen any on my bearded iris, what do they look like?

Fact – Iris borers are very destructive as they feed on the iris rhizome. They can destroy   all or part of a rhizome by introducing bacteria and causing soft rot in the rhizome as they feed.  Clean up all debris in the fall as that is where the Iris borers

Iris Borer

For more information on Iris Borers and how to manage them use this link:  http://www.extension.umn.edu/yardandgarden/ygbriefs/e122irisborer.html

Myth – I lost some bearded iris last winter they must have not been hardy for zone four.

Fact – Winter loses are not due to cold temps. The rhizomes sit right at the top of the soil line.  This will expose the rhizome to the wind if there is no mulch or snow covering it. The rhizome will die from the wind dehydrating it.  Blue flag irises which are native to Minnesota are so hardy they can freeze into the ice on lakes or ponds and still survive the winter.

For more details on  types of iris, heights, bloom times and colors check this link:  http://www.extension.umn.edu/distribution/horticulture/DG1113.html

Remember to enjoy these spring blooming beauties they need to be planted August – November the year before.

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Correction: Get Your Garden Started – With or Without Spring

After much consideration, great reluctance and three days of snow in May,  the decision was made to postpone the Master Gardener  Plant Sale  mentioned in Connie’s original article until June 1st.   

The  Master Gardeners of Dakota County  annual plant sale will be held on Saturday, June 1, from 9 a.m. to 12 noon. You’ll enjoy professional advice and plenty of elbow room at the Master Gardener Education and Research Display Garden at UMore Park in Rosemount.   http://www.dakotamastergardeners.org/home-2/

Come on Spring!

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Connie Kotke found her passion for gardening ten years ago, when she purchased a home with a “wooded” backyard filled with buckthorn. Her labor of love has been clearing and re-establishing a natural habitat in the shade of many hundred-year-old Bur oaks. Her specialty is creating peaceful environments with the right mix of planned and unplanned scenes. She’s an avid reader, writer and professional communicator. As an independent consultant, she’s free to devote time to what she loves the most—getting her hands dirty.

I just finished reading (again) the classic novel, Giants in the Earth, by O. E. Rolvaag. The story recalls the tenacity and courage of Norwegian immigrants who were pioneers on the prairies of Dakota Territory in the mid-1800s. This week, as I snuggled under my quilt and occasionally glanced out the window at the snow and gray skies, I read the chapter about Per Hansa and his family’s first year living in a sod hut. “During the winter, it snowed twice forty days. Day and night the snow fell. From the 15th of October…until after the middle of April, it seldom ceased. And all winter the sun stayed in his house; he crept out only now and then to pack down the snow; that was to make room for more.”

Despite our own long winter, at least we have comfortable homes and warm cars to navigate daily living. By way of this blog post, I vote for a group therapy session to raise our spirits and renew our optimism for the growing season ahead. Let’s get started:

1) Take action! If you’re down in the dumps like so many of us, there’s no better way to lift your spirits than to give back even a sliver of the blessings you enjoy. The week of April 21 – 27 is chock-full of opportunities to brighten someone’s day. Join in with your friends and neighbors to celebrate National Earth Day (Monday, 4/22), National Arbor Day (Friday, 4/26) or National Volunteer Week. Doing even small things will put that smile back on your face. Find ideas at https://blogs.extension.org/mastergardener/

2) Start planning! Eventually, the last snow drift in the yard will melt away. Is this the year to create an outdoor environment that’s perfect for you and your family? Now’s the time to read, ponder and sketch. Visit these U of M sites for new ideas on

Garden Sculpture – Photo Credit: Connit Kotke

3) Create your shopping list! If tradition holds, mid-May is the time when garden centers really start bustling. Make your first stop the Master Gardeners of Dakota County     http://www.dakotamastergardeners.org/home-2/ annual plant sale on Saturday, May 11, from 9 a.m. to 12 noon. You’ll enjoy professional advice and plenty of elbow room at the Master Gardener Education and Research Display Garden at UMore Park in Rosemount.

Most importantly, resist the urge to grab your rake and begin the cleanup on our first warm day. Grass, bulbs and perennials are still tender; the soil is too moist; and we run the risk of overnight freezing for several weeks yet. Simply put on your boots, wander the yard, listen to the world waking up, and dream.

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Let’s Get Growing – 2013 Spring Garden Expo

Is your inner gardener tired of the ‘off season’?

Mark your calendars to start the 2013 Gardening Season March 9, 2013 and step in to spring.

The 2013 Spring Expo “Let’s Get Growing” sponsored by the University of Minnesota Master Gardeners in Dakota County will be held on Saturday, March 9, at the newly renovated Rosemount Community Center in Rosemount, Minnesota.  Doors open at 8:00 a.m. to registered participants who will enjoy a full day of gardening education and activities including a continental breakfast, door prizes, a silent auction, catered box lunch, and a garden marketplace (cash and checks only). Each participant will receive a folder and bag full of coupons, horticultural information, notebook, pen, and more at the registration tables starting at 8:00 a.m.

Keynote Speaker Lynn Steiner, local author, will present  “Landscaping with Native Plants: Effective and Acceptable Ways to Use Natives in Gardens and Landscapes.”

Breakout Sessions Include:

  • “Sensory Gardens” with Starla and Alice Enger, owners of  My Sister’s Garden Center
  • “Made in the Shade” with Mike Heger, owner of Amergate Gardens
  • “Sustainable Lawns” with Sam Bauer, University of Minnesota Extension Turfgrass Educator
  • “Blueberries: Secret Super Fruits” with Tori Clark and Brenda Scheer, Master Gardeners
  • “Healthy Soils for Great Gardens” with Bob Mugaas,  retired University of Minnesota Horticulture Extension educator and current Horticulturalist and Garden Program Director for the Rosemount Research and Outreach Center
  •  “Flower Power” with Julie Harris,  Master Gardeners in Dakota County Chair and All-American Flower Garden research leader
  •  “Welcome Wildlife” with Corinne Johnson, Master Gardener and Naturalist
  • “Salad Bowl” a hands on course with JoAnne Sabin, Master Gardener

For more information on “Let’s Get Growing” speakers and vendors and to download registration forms, please visit our blog at http://blog.lib.umn.edu/mgweb/dakota/ .  Information can also be found at our newly developed website at www.dakotamastergardeners.org/home-2/ .

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Still Gardening in October? Yes I am!

There’s still time to prepare for a beautiful spring garden and healthy lawn.  Here are a few things you can do yet this fall to improve your garden next year.

  •  Plant spring bulbs!   Yes there is still time to plant spring blooming bulbs.  Most spring bulbs can be planted right up until the ground freezes.    Stagger the bloom times for ongoing color.
  1. Early bloomers – have you grown Siberian Squill, Grape Hyacinth or Snowdrops?
  2. Mid-spring bloomers – iris, tulips and daffodils can all be planted right up until the ground freezes.

    Photo Credit: Brenda Scheer

3.   Late blooming spring bulbs –Allium

  • Clean up and dispose of any diseased plant debris.  This will minimize the chances of the disease over wintering and returning next year.
  • Pick up leaves from your yard.  Leaf build up helps trap moisture between the leaves and the lawn creating a favorable environment for snow mold.

Photo Credit: Brenda Scheer

  • Water your trees and shrubs up until the ground freezes.  It’s been very dry.  Lack of water puts stress on trees and shrubs.    Provide slow deep watering to trees and shrubs for best results.
  •  Consider leaving ornamental grasses standing for winter interest.
  • Think about what worked well and where you want to focus your efforts in your garden next year.   When winter comes you can start making plans for your spring garden tasks.

Check out the Yard and Garden News for monthly tips on yard and garden care:  http://blog.lib.umn.edu/efans/ygnews/

The mission of the Master Gardener program is to teach others in the community about horticulture.  In Dakota County, there are more than 130 active Master Gardeners who volunteer several thousand hours per year.

Visit the Master Gardeners of Dakota County website for additional gardening tips, information on our Research and Display Garden, the Junior Master Gardener Program, as well as upcoming events and classes.  http://blog.lib.umn.edu/mgweb/dakota/

University of Minnesota Extension shall provide equal access to and opportunity in its programs, facilities, and employment without regard to race, color, creed, religion, national origin, gender, age, marital status, disability, public assistance status, veteran status, sexual orientation, gender identity, or gender expression.  In accordance with the Americans with Disabilities Act, this publication/material is available in alternative formats upon direct request to (651) 480-7700.

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Try Something Magical – Fairy Gardens

A bit about our author:  Mary Schmidt is a Dakota County Master Gardener always looking to learn something new.   After taking a class on Fairy Gardens this summer, she shared here some of what she learned.

Fairy Gardens are unique and magical gardens.  These gardens can be indoor or outdoor container gardens or an actual in-ground garden.  A Fairy Garden is a miniature garden complete with structures and living plants.  The garden is designed to lure fairies; and with them, good luck, to your home.

Fairy Gardens include:

  • special small-sized plants
  •  tiny cottages
  •  arbors
  •  stone pebbles or miniature slate stepping stones
  • mushrooms
  •  numerous  decorations and of course a
  •  delightful fairy figure

Photo Credit: Mary Schmidt

Tiny fairies who live in gardens have a code to always be cheerful, neat, polite, friendly, work hard, generous, honest, keep secrets, kind and humorous.  Who wouldn’t want someone with these qualities living in their garden?

 

The mission of the Master Gardener program is to teach others in the community about horticulture.  In Dakota County, there are more than 130 active Master Gardeners who volunteer several thousand hours per year.

Visit the Master Gardeners of Dakota County website for additional gardening tips, information on our Research and Display Garden, the Junior Master Gardener Program, as well as upcoming events and classes.  http://blog.lib.umn.edu/mgweb/dakota/

University of Minnesota Extension shall provide equal access to and opportunity in its programs, facilities, and employment without regard to race, color, creed, religion, national origin, gender, age, marital status, disability, public assistance status, veteran status, sexual orientation, gender identity, or gender expression.  In accordance with the Americans with Disabilities Act, this publication/material is available in alternative formats upon direct request to (651) 480-7700.

 

 

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Pizza Garden

Pizza Garden

A bit about the author:  Gail Maifeld is an active Master Gardener with a background in education.  Gail has been the chair of the Children’s Garden for several years. 

 Kid friendly gardening for food, discovery, and joy of learning is an underestimated source of education and exercise.  Why not create a garden that will provide a kid friendly favorite meal?  A Pizza Garden planted with vegetables and herbs is such a garden.  Pizza Garden is the theme of the 2012 Children’s Garden located next to the big red barn on the Dakota County Fairgrounds.

The garden looks like a pizza!  This garden is not planted in rows but in a 5 foot circle that is divided into four equal parts.  Lemon drop marigolds outline the circle and each of the four slices.  Within each slice are four plants: Sweet Basil, Oregano, a pepper, and a Roma Tomato.  The bright yellow marigold blooms are a colorful definition for the Pizza shape.

Photo Credit: Gail Mailfeld

For the hot and spicy taste buds, a circle of peppers has also been planted with:

  • Hot Chili
  • Burning Bush
  • Jalapeno
  • Hot Savory
  • Cayenne peppers

Milder flavored peppers are also planted in the garden including:

  • Orange Blaze Sweet Pepper
  • Sweet Banana
  • California Wonder

The yellow, green, red and orange colorful vegetables, each with their unique slender or orb type shape add intrigue.  These additional choices allow for individualism and the discovery of the taste bud.

Photo Credit: Gail Maifeld

The third garden section is planted with six tomato varieties:

  • Big Boy
  • Beefsteak
  • Sweet 100
  • Early Girl
  • Grande Verde Tomatillo
  • Chocolate Cherry

Chocolate Cherry is dark brown –black in color.  Grande Verde Tomatillo has a husk and green in color.  All of the tomatoes vary in size, yield, and time of harvest.  Children can discover different textures, juiciness, and shape from these different varieties.

A photo opportunity is also available.  The gazebo structure will be decked out as a Pizza Shack accompanied by a Pizza Chef cutout.  Openings in the cutout allow for a head to poke out, which makes a cute photograph.  This bit of whimsy is always a hit with fair goers.  Past photo opps are said to have been included in many Christmas letters.

Photo Credit: Brenda Scheer

Whatever the pizza taste- hot peppers or sweet peppers, cherry tomato or juicy slice accompanied by a savory herb like Sweet Basil or Oregano- the pizza styles are endless.  The garden photo will be priceless, too.  Participants will discover their personal taste preferences, while experiencing the joy of learning and of exercise while gardening.

The mission of the Master Gardener program is to teach others in the community about horticulture.  In Dakota County, there are more than 130 active Master Gardeners who volunteer several thousand hours per year.

 Visit the Master Gardeners of Dakota County website for additional gardening tips, information on our Research and Display Garden, the Junior Master Gardener Program, as well as upcoming events and classes.  http://blog.lib.umn.edu/mgweb/dakota/

 University of Minnesota Extension shall provide equal access to and opportunity in its programs, facilities, and employment without regard to race, color, creed, religion, national origin, gender, age, marital status, disability, public assistance status, veteran status, sexual orientation, gender identity, or gender expression.  In accordance with the Americans with Disabilities Act, this publication/material is available in alternative formats upon direct request to (651) 480-7700.

 

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4B’s – Bountiful, Beneficial, Beatiful . . . Blueberries

4B’s – Bountiful, Beneficial, Beautiful . . . Blueberries

A bit about the author:  Brenda Scheer has worked as a member of the Blueberry Committee at the Master Gardener Research and Display Garden site for 4 years and this year is one of the co-chairs for this committee.  Other favorite Master Gardener projects include the Children’s Garden at the Dakota County Fair and Community Education. 

Bountiful    A single blueberry bush can produce 2 to 9 pounds of berries a year depending on the variety!  Did you know that we can grow blueberries right here in MN?  Our climate is actually very good for them.   So, what does it take to harvest a bounty of blueberries?

    • sun
    • acid soil – a pH of 4.0 – 5.0 is ‘the’ key to success
    • well drained soil
    • two winter hardy varieties
    • good air circulation around the plants

The acidic soil will be the hardest factor to obtain.  You may need to build a site where you can amend the soil to create a pH low enough for blueberries like a raised bed.   How large to make a raised bed depends on the number of plants you want. For example, a raised bed supporting two blueberry plants should be roughly 15” deep X 26” wide X 48” long.

However, if you have dry, sandy soil you will not require a raised bed to amend your soil.  You may simply dig a hole for your shrub and fill the hole with properly amended soil.  For a detailed description of how to amend your soil to meet the pH level required follow this link:  http://www.extension.umn.edu/distribution/horticulture/dg3463.html

When selecting blueberry plants, consider one of these popular varieties introduced by the University of MN:

Variety Height   Variety Height
Chippewa 30 – 40” Northcountry 24 – 36”
St. Cloud 30 – 48” Northblue 18 – 24”
Polaris 30 – 40” Northsky 12 – 18”
Superior 36 – 50”

Why plant at least two varieties of blueberries?   To get bigger berries and more berries through cross pollination!  Bees and other native insects will do the pollinating for you.  Be ready to harvest your blueberries over a period of 3 to 5 weeks generally starting in July.

Photo Credit Warren Banks

Keep your harvest bountiful – protect it!  The pest with the largest impact on your blueberry harvest will be birds, they love them!   Place netting over the plants after the fruit has set to protect your harvest from the birds.  Be sure to secure the netting so that a bird does not get under the netting.  Other potential pests are rabbits and deer.  These pests prefer the young tender growth in the spring or they will eat whatever is above the snowline if food is scarce in the winter.  A chicken wire fence tall enough to keep rabbits or deer out is the best option to protect from these pests.  

Beneficial   By now you’ve heard that blueberries are one of the beneficial ‘super fruits’ based on their high levels of antioxidants, vitamins and minerals.

But wait, blueberries are also versatile.  Eat them fresh or frozen!

 Favorite Blueberry Uses

Fresh Frozen
on top of   cereal or ice cream muffins
in salads cakes
throw a cup   of them into your next batch of pancakes cobbler
make a   blueberry shake scones
fruit salad   – they are great with cantaloupe jams/jellies
all by   themselves as a sweet   frozen treat, just pop one in your mouth

The options go on and on . . .

Did you know July is National Blueberry Month? Blueberries are grown in 35 states in the U.S. and the U.S. produces more than 90% of all of the blueberries in the world.

Basic Care and Feeding of Blueberries

  • Prepare soil to the correct pH (4.0 – 5.0)  for details see:  http://www.extension.umn.edu/distribution/horticulture/dg3463.html
  • Plant in late April or early May
  • Mulch with 2 – 4” of sawdust, peat moss, chopped straw, or pine bark
  • Water frequently to keep the soil moist but not wet
  • Years 1 & 2 – remove flowers to encourage vegetative growth
  • Fertilize – 1 time per year, prior to the plants blooming
    • ammonium sulfate or
    • an azalea fertilizer
    • aluminum sulfate is not recommended as it can become toxic to the plant roots
  • Pruning
    • remove weak, diseased or dead wood at ground level
    • remove wood at ground level that is no longer producing fruit
    • don’t over prune as fruit is produced on 1 year old wood
    • prune annually beginning in year 5
    • prune in early spring, prior to new growth forming
    • harvest and enjoy!

Beautiful all seasons (ok at least 3 seasons)

Spring:  shrubs are covered with white blossoms in the late spring

Photo Credit: Brenda Scheer

Summer: glossy green leaves cover the plant

Photo Credit: Brenda Scheer

Fall:   foliage will turn a gorgeous red

Photo Credit: Brenda Scheer

And to top it off, blueberries are long lived plants.  You can enjoy the beauty, bounty and benefits of them for 30 to 50 years!

Stop by the Master Gardener Education, Research and Display Gardens, in UMore Park in Rosemount and take a stroll through our blueberry research garden.

 The mission of the Master Gardener program is to teach others in the community about horticulture.  In Dakota County, there are more than 130 active Master Gardeners who volunteer several thousand hours per year.   

Visit the Master Gardeners of Dakota County website for additional gardening tips, information on our Research and Display Garden, the Junior Master Gardener Program, as well as upcoming events and classes.    http://blog.lib.umn.edu/mgweb/dakota/

 University of Minnesota Extension shall provide equal access to and opportunity in its programs, facilities, and employment without regard to race, color, creed, religion, national origin, gender, age, marital status, disability, public assistance status, veteran status, sexual orientation, gender identity, or gender expression.  In accordance with the Americans with Disabilities Act, this publication/material is available in alternative formats upon direct request to (651) 480-7700.

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Best in Show Part 2 – Summer Annuals

Best in Show Part 2 – Summer Annuals

A bit about the author:  Julie Harris has been a Master Gardener for several years and has led various flower trial gardens at the Master Gardener Education, Research and Display Gardens, in UMore Park, Rosemount.  She has held leadership positions in the Master Gardener program and has participated in a number of other outreach activities.

The University of Minnesota Extension Master Gardeners’ Annual Seed Trials are another great source of information about annuals that perform well in Minnesota gardens.*  In this trial Master Gardeners grew 6 varieties of tall Zinnia plants in 22 different locations in Minnesota that included 21 different counties.  The Master Gardeners of Dakota County were one of those garden sites.

The Zinnias performed very well in a difficult growing year often outperforming other annual flowers (and many vegetables) in the garden.

The 6 varieties of tall Zinnias planted were:

  • Benary’s Giant Lime – chartreuse green with large yellow center, single petals
  • Envy – chartreuse green/yellow, flat with single petals
  • Pinca – salmon/coral color with feathery (some said “shaggy”) petals
  • Queen Lime – chartreuse green/yellow with double petals

And our favorites:

  • UpRoar Rose – brilliant rose-pink pom-pom style blossoms 
  •  Queen Red Lime – mauve-pink with chartreuse highlights 

 Bloom – Queen Lime was typically the first of the varieties to bloom and the last to bloom was Giant Lime.  Throughout the months of July, August, and September, UpRoar Rose was the most profusely blooming of the varieties.  Envy and Benary’s Giant Lime tied for least amount of bloom.

Bloom Size -  The biggest flowers grew on UpRoar Rose, measuring 3.7” in diameter.  Queen Lime had the smallest, averaging 2.47” in diameter.

Color - With its unique combination of red (or mauve) and chartreuse on the petals, Queen Red Lime was the most interesting.  No two flowers looked exactly alike, and the red-green balance changed over the life of the flower.  The Queen Red Lime looks beautiful when all by itself (as in a vase) but tends to look a little muddy when mixed with the clearer colors in the garden.

Disease –  Powdery mildew occurred only at the end of the season and was not considered a problem by most Master Gardeners; although, Queen Red Lime was considerably more vulnerable than the other varieties.

Favorites -  Master Gardeners were asked to rank the varieties from “most favorite” to “least.”  With one being “most favorite,” their preferences were:

  1.  UpRoar Rose (in a landslide)
  2.  Queen Red Lime
  3.  Pinca
  4.  Queen Lime
  5.  Benary’s Giant Lime
  6.  Envy

The Master Gardeners of Dakota County also trial new varieties from Ball and PanAmerican Seed Companies.  These companies are well known for producing large numbers of new and often award winning plants.  We will be trialing 35 new varieties at our garden in 2012.  We hope you will visit us at our garden where you can see these plants (and our many other gardens) in person.  Look for our annual report in the fall for our research results.

Most of these varieties are available in Minnesota although not necessarily at every garden center.  Plants that are not sold locally can usually be obtained online.  For additional, research based information about growing flowers in Minnesota, go to http://www.extension.umn.edu/gardeninfo/components/info_flowers.html.

*Statewide research results were provided by the University of Minnesota Extension Master Gardeners’ Annual Seed Trials.

The mission of the Master Gardener program is to teach others in the community about horticulture.  In Dakota County, there are more than 130 active Master Gardeners who volunteer several thousand hours per year.

 Visit the Master Gardeners of Dakota County website for additional gardening tips, information on our Research and Display Garden, the Junior Master Gardener Program, as well as upcoming events and classes at http://blog.lib.umn.edu/mgweb/dakota/

 University of Minnesota Extension shall provide equal access to and opportunity in its programs, facilities, and employment without regard to race, color, creed, religion, national origin, gender, age, marital status, disability, public assistance status, veteran status, sexual orientation, gender identity, or gender expression.  In accordance with the Americans with Disabilities Act, this publication/material is available in alternative formats upon direct request to (651) 480-7700.

 

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Best in Show Part 1 – Summer Annuals and Perennials

Summer Annuals and Perennials – Best in Show Part 1

 A bit about the author:  Julie Harris has been a Master Gardener for several years and has led various flower trial gardens at the Master Gardener Education, Research and Display Gardens, in UMore Park, Rosemount.  She has held leadership positions in the Master Gardener program and has participated in a number of other outreach activities.

 Have you ever stood in the doorway of a garden center, overwhelmed by the sea of colorful annuals displayed before you?  There are so many to choose from but how do you know which plants are likely to do well in your Minnesota garden.  If you do a little research and planning before hitting the garden center, you may be able to save some time and be more satisfied with the performance of the plants you select for your garden.

One place to research the best summer annuals is the All-America Selections website – www.all-americaselections.org.  AAS is an independent, non-profit organization that has been testing new varieties of plants for 80 years at trial grounds all over the U.S. and Canada.  Each year, judges score the new varieties on qualities such as novel colors, length of flowering, disease or pest resistance and overall performance.  Only those varieties that achieve a superior score are declared AAS winners.

Every year, the Master Gardeners of Dakota County choose several AAS award winners to display and trial in their own education, research and display garden at the Rosemount Research and Outreach Center (RROC) at UMore Park.  Master Gardeners grow, plant and observe these plants and other trials over the summer.  You can read about our results on our blog  – http://blog.lib.umn.edu/mgweb/dakota/ or, better yet, come out to our garden during the summer to see the plants displayed for yourself.

Here are a few of the standout AAS winners that were displayed in our garden in 2011.

Rudbeckia “Prairie Sun” (zone 4 perennial) – This 2003 award winner features multiple showstopping 6” blooms, golden toward the center moving to yellow on the ends with a big green eye.  In our garden, the plants grew to 22” tall and 20” wide.  They were sturdy, and resistant to pests and diseases.

Agastache “Golden Jubilee” (zone 5 perennial) -   Two inch lavender spiked blooms adorn chartreuse foliage on this 2003 AAS winner.  Named for Queen Elizabeth II’s Golden Jubilee, this standout also has a minty scent.  It grew 16” tall and wide, and was hardy and resistant to pests and diseases.

Zinnia “Double Zahara Fire” (annual) – Double brilliant orange flowers bloom profusely all summer long atop this 2010 award winner.  15” tall and 17” wide, this is a bushy plant; easy to maintain and resistant to pests and diseases.  Sister plants – Double Zahara Cherry and Zahara Starlight Rose (also 2010 winners) are also great picks.

Marigold “Moonsong Deep Orange” (annual)  – This 2010 AAS winner flowered early and long.  Excellent orange color, the flowers are very full and abundant.  Plants are thick and similar in size.  They grew to 24” tall and 16” wide and easy to maintain.

Echinacea “Pow Wow”(zone 3 perennial) – Another 2010 winner, this Echinacea is a first year flowering perennial.  The blooms are a deep-rose-purple color that cover the plant continuously during the summer.  In our garden, the plants were 17” tall and 14” wide. While the plants were lovely the first year, they were spectacular in year two.

Other AAS award winning plants that performed very well in the MG garden were:

  • Gaillardia “Arizona Apricot” (2011 -zone 2 perennial)
  • Salvia “Summer Jewel Red” (2011 – annual)
  • Ornamental Kale “Glamor Red” (2011  – annual)
  • Osteospermum “Asti White” (2009 – annual)
  • Dianthus “Corona Cherry Magic” (2003 – zone 5 perennial)

We will be featuring a number of AAS plants in our garden at RROC again this year.  Among them are the 2012 winners: Vinca “Jams & Jellies Blackberry,” Salvia “Summer Jewel Pink,” Ornamental Pepper “Black Olive” (2012).  And, for fun, some older varieties such as – 1962 winner, Zinnia “Old Mexico” and Hollyhock Summer Carnival Mix from 1972.

Part 2 of Best in Show Summer Annuals will be posted in the next 7 to 10 days.

The mission of the Master Gardener program is to teach others in the community about horticulture.  In Dakota County, there are more than 130 active Master Gardeners who volunteer several thousand hours per year.

 Visit the Master Gardeners of Dakota County website for additional gardening tips, information on our Research and Display Garden, the Junior Master Gardener Program, as well as upcoming events and  classes at http://blog.lib.umn.edu/mgweb/dakota/

 University of Minnesota Extension shall provide equal access to and opportunity in its programs, facilities, and employment without regard to race, color, creed, religion, national origin, gender, age, marital status, disability, public assistance status, veteran status, sexual orientation, gender identity, or gender expression.  In accordance with the Americans with Disabilities Act, this publication/material is available in alternative formats upon direct request to (651) 480-7700.

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From Blahh to Ahhh Part 2 – Texture in Your Garden

A bit about the author:  Louise Breidel is a past Chair of the Master Gardeners Dakota County and has staffed Q&A booths at the State Fair and nurseries, led classes for community groups and assisted in U of M Regional Trials of shrub roses which released ‘Sven,’ ‘Ole’ and ‘Lena’.

 From Blah!! To Ahhhhh    Part 2 – Texture in Your Garden 

Texture is another of the primary elements of design.  How it is incorporated in the garden design plays a huge part in determining the garden’s beauty and impact.   Contrast in textures will create a visually pleasing arrangement.

What is Texture? 

Creating Texture

Fine/airy texture – incorporate:

  • Small flowers
  • Flowers that are on longer stems so we see through them to other flowers behind and around them
  • Some examples:
    • Baby’s breath
    • Moonbeam coreopsis
    • White Diamond euphorbia

Tropical texture

  • Use plants with big and bold leaves
  • Incorporate house plants outdoors in the summer
  • Place plants close together for a lush look
  • Some examples of plants
    • Canna
    • Ornamental grasses
    • Castor bean – remember castor beans are poisonous
    • Bold architectural plant examples:
      • Ferns
      • Hostas
      • Yuccas

 

 There’s texture everywhere!

  • Bark of trees and shrubs
  • Ribbed leaves of hosta
  • Plump velvety leaves of lamb’s ear
  • Succulents can be spiked or smooth
  • Ruffled leaves of rhubarb and ornamental kale

Consider both the look and feel of texture

  • Consider leaf and flower shapes:
    • Needle-like
    • Round
    • Ruffled
    • Smooth
    • Glossy
    • Wooly
    • Interesting Texture Examples
      • tall, reed-like grasses
      •  round hollow pointed leaves of chives
      • coleus with leaves like duck feet
      • Fennel and dill have feathery green and sometimes bronze foliage
      • cosmos has a feathery leaf system (self-seeds)
      • Astilbe has feathery blooms
      • Love Lies Bleeding  Amaranthus is a huge self-seeder with wine colored stem and leaves, ornamented with long tassels of wine colored seeds

 

 For more plant descriptions, images and plant sources go to http://plantinfo.umn.edu/

So make a plan, choose plants that reflect your desired colors and textures.  Plant and keep notes.  As needed, modify your plan, keeping what worked and changing what you want to improve. Stroll through your gardens and let the Ahhhhs come forth.

The mission of the Master Gardener program is to teach others in the community about horticulture.  In Dakota County, there are more than 130 active Master Gardeners who volunteer several thousand hours per year.

Visit the Master Gardeners of Dakota County website for additional gardening tips, information on our Research and Display Garden, the Junior Master Gardener Program, herb recipes as well as upcoming events and classes.  http://blog.lib.umn.edu/mgweb/dakota/

University of Minnesota Extension shall provide equal access to and opportunity in its programs, facilities, and employment without regard to race, color, creed, religion, national origin, gender, age, marital status, disability, public assistance status, veteran status, sexual orientation, gender identity, or gender expression.  In accordance with the Americans with Disabilities Act, this publication/material is available in alternative formats upon direct request to (651) 480-7700.

 

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From Blah!! To Ahhhhh  Part 1 – Color in Your Garden

A few words about the author:  Louise Breidel is a past Chair of the Master Gardeners Dakota County and has staffed Q&A booths at the State Fair and nurseries, led classes for community groups and assisted in U of M Regional Trials of shrub roses which released ‘Sven,’ ‘Ole’ and ‘Lena’.

Color is one of the primary elements of design, but how it is are incorporated in the garden design plays a huge part in determining the garden’s beauty and impact.

Before getting in the dirt, make a plan and put it down on paper or on the computer. Why have a plan?

  • plants bloom at different times during the season
  • leaf colors may change
  • plant size will change (some will continue to grow, others may be short lived and die back to the ground during the season)
  • plants have different color flowers

Include all of these details on your plan.  You may need multiple versions of your plan to show the different growth stages of your garden. Whether a plan is followed or not is the difference between a Blah garden and an Ahhhhh garden.

Color – “All colors are the friends of their neighbors and the lovers of their opposites.” – Marc Chagall

 

 

I look at several color schemes when making my plant list.

  • A BOLD scheme would use three colors bordering each other on the color wheel, like green, yellow, yellow-orange.
  • A BOLDER scheme would be four colors, three directly across the wheel from one, like red, blue-green, green, and green-yellow.
  • The BOLDEST scheme is hot and cool opposites like orange and blue, yellow and purple.  Use them sparingly.

For a detailed account of working with color go to http://www.sustland.umn.edu/design/colortechniques.html

Need Ideas? 

  • Take your camera and notebook to parks, public and private gardens and nurseries
  • Check out major seed company websites
  • Look at the following publications for plant names:
    • Growing Perennials in Cold Climates by Mike Heger, Debbie Lonnee and John Whitman
    • From Iowa State University Extension:  Annuals PM 199, Perennials for Sun PM1914,
    • Perennials for Shade PM1913  Cost Approx  $5 ea. plus S&H
    • From Michigan State University: Growing and Using Annuals and Bulbs MSU#399 Cost $2 plus S&H

Colors Vary and Change

  • Sunlight, cold, rain, light levels bring alterations to colors
  • Colors fade with time
  • Too many colors create a restless feeling
  • True blue is not as abundant as pinks, yellows and reds, but it looks good with almost any other color
  • Red has been shown to attract hummingbirds

How Light Affects Color

  • Overcast intensifies pastels
  • Bright light makes pastels fade
  • Pastels lighten up shadows whereas dark colors are gloomy in the shade
  • Hot colors are brilliant in full sun
  • Yellow and orange seem closer than they are and are easy to see
  • Blue and lavender seem farther away than they are and are not easily seen from a distance
  • Use pastels and hot colors in gardens seen from afar or in shaded areas
  • White or variegated foliage brightens a shaded area

How Neighboring Colors Affect Each Other

Neighboring colors are not only in flowers but in house siding, shutter color, flowering trees or shrubs, foliage of trees and shrubs, in walkways of brick, wood, in seating, statuary, ornamentation and mulch.  TIP:  If needed, separate colors by using white or pastels or foliage with gray or silver leaves.

 

 Color – Comes From More Than Flowers

  • Foliage contributes to color
    • Coral bells have foliage available in just about any shade
    • Perilla, coleus and caladiums have multicolored leaves as bright as many flowers
    • Look for the many shades of green
    • A new weigela has burgundy foliage that looks like it has been polished and bears pink funnel-shaped flowers
    • Another weigela has leaves of yellow and green edged with pink, pink flowers and attracts hummingbirds.
    • Berries or fruits provide color – Crab apple fruit and rose hips provide color and food for some birds
    • Stems and bark provide color as well as texture
    • Shrubs such as viburnum, berberus, pyracantha and blueberries bring color through leaves and berries. A new bittersweet vine that no longer needs male and female planted together has extraordinary production of orange to red fruit.

For additional reference material go to http://www.extension.umn.edu/garden

Look for Part 2 of From Blah!! To Ahhhhh  for tips on using texture to create an interesting garden display.   Part 2 will be published in the next 10 days.

The mission of the Master Gardener program is to teach others in the community about horticulture.  In Dakota County, there are more than 130 active Master Gardeners who volunteer several thousand hours per year.

Visit the Master Gardeners of Dakota County website for additional gardening tips, information on our Research and Display Garden, the Junior Master Gardener Program, herb recipes as well as upcoming events and classes.  http://blog.lib.umn.edu/mgweb/dakota/

University of Minnesota Extension shall provide equal access to and opportunity in its programs, facilities, and employment without regard to race, color, creed, religion, national origin, gender, age, marital status, disability, public assistance status, veteran status, sexual orientation, gender identity, or gender expression.  In accordance with the Americans with Disabilities Act, this publication/material is available in alternative formats upon direct request to (651) 480-7700.

 

 

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Kick off the 2012 Gardening Season

April is one of the most important months for gardening because it is the time to reflect on what happened in your garden last year that you liked and what you want to change.  It is planning time!  Planning includes looking at your space and deciding what needs to be done immediately.  If you are uncertain about the plant nutrition available in your soil, the planning phase should include a soil test to help you determine how to improve your soil.  Contact the University of Minnesota Soil Testing Laboratory at http://soiltest.cfans.umn.edu/ or phone 612-625-3101 for complete instructions on how to bring in a sample of your soil for tested.

What does your soil look like?  Does it drain well?  Are you satisfied with how your plants grow?  If not, you should consider adding compost to improve your soil.  Compost improves soil structure and water-holding capacity.  Compost enhances the ability of soil to release nutrients to plants.  The amount you add and mix into your soil depends on current conditions, but one to two inches is a common amount.  You need 300 pounds of compost to cover a soil area of 100 square feet with one inch of compost.  Compost can also be added around the plants a month or two after plants have been established.  Also, remember that all compost is not equal.  When buying compost, look for dark-colored compost that does not have recognizable original forms such as leaves or sticks in it.  The compost should have an earthy scent.  If the compost is from animal manures, verify the manure is aged at least six month for health reasons. For more in-depth information on compost go to the following Cornell University website: www.gardening.cornell.edu/factsheets/orgmatter/index.html

Before you plant, it is good to have a diagram or plan of your garden(s) that includes the dimensions. Each plant has its own space needs. Space each plant according to its mature size to avoid crowding either flowers or vegetables.  Crowding makes the plants compete for nutrients in the soil.   Determine any changes in your sunny and shady areas.  Have these areas changed because of tree and or bush growth?  Sun-loving plants require at least six hours of sun to develop well.  Planning now with size and needs of plants in mind will help you have a successful gardening season.

April is a great month to start many seeds indoors under fluorescent lights.  Peppers and eggplants need to start in late March or early April, and tomatoes can be seeded around April 15.  Master Gardeners plant two seeds per seed container in the greenhouse and thin to one later, and they use commercial seed-starting mixtures.  You can create your own as well, but do not use outdoor garden soil for indoor seeding.  For in-depth information on indoor seed starting and plants that can be started indoors, go the University of Minnesota article titled “Starting Seeds Indoors” www.extension.umn.edu/distribution/horticulture/M1245.html

After you have prepared the soil in your garden for planting, you can start planting crops such as leaf lettuce, chard, carrots, onions, peas, potatoes, and radishes in April. Planting dates can be earlier or later than the middle of the month by two to three weeks depending on the weather conditions and soil conditions. Raised beds will warm up two to three weeks earlier than beds in the ground. Soil is ready for planting when it crumbles in your hands. For specific steps and a list of crops that can be planted in April, consult the University of Minnesota article by Vincent Fritz titled “Planting the Vegetable Garden” at: www.extension.umn.edu/distribution/horticulture/DG1422.html

Planning and preparation can make all the difference for the success of your garden.  Plants have different needs.  We have to respect them and encourage healthy growth by considering the sunlight, soil type, spacing, and water each variety requires.

Now that you have started thinking about the 2012 garden season, we hope you will join the Master Gardeners of Dakota County for our annual Spring Plant Sale that will be held on Saturday, May 12, 9:00 – 12:00.  Location is UMORE Park, County Road 46, 1605 West 160th Street, Rosemount, MN.  Come and check out sun and shade perennials, shrubs, trees, fruit plants, herbs, custom made tomato cages, organic compost, and much more!

Janice Gestner, Master Gardener of Dakota County

 

 

The mission of the Master Gardener program is to teach others in the community about horticulture.  In Dakota County, there are more than 130 active Master Gardeners who volunteer several thousand hours per year.

Visit the Master Gardeners of Dakota County website for additional gardening tips, information on our Research and Display Garden, the Junior Master Gardener Program, herb recipes as well as upcoming events and classes.  http://blog.lib.umn.edu/mgweb/dakota/

University of Minnesota Extension shall provide equal access to and opportunity in its programs, facilities, and employment without regard to race, color, creed, religion, national origin, gender, age, marital status, disability, public assistance status, veteran status, sexual orientation, gender identity, or gender expression.  In accordance with the Americans with Disabilities Act, this publication/material is available in alternative formats upon direct request to (651) 480-7700.

 

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